This Aluminium Rigid Strips with supbright smd 5050 or 5630 led strip light , 72LEDs/Meter,High stable LED chip used in the LED which has high brightness, low degradation and longevity. it use the 12V 2A Power Supply , if you're strictly concerned about saving energy this is good choose .IT can be used for cabinet , ceilings ,floor,showcase,under cabinet lighting, furniture lighting, night lights, retail display lights, window lights, exhibitions, pictures, and many other purposes. (Big order, other color ,or need customized Rigid Strips bar contact Brandon, info@724light.com)